Historical clue formulations

• Lickety-split — 2026-03-14
• Chop-chop — 2025-06-28
• "Right this second!" — 2024-10-13
• Stat — 2024-03-16
• "Now!" — 2019-01-01
• Immediately — 2018-05-13
• On the double — 2017-03-28
• Immediately — 2014-09-16
• "Chop-chop!" — 2014-05-14
• On the double — 2013-11-20
• "Now!" — 2011-08-27
• Chop-chop — 2007-11-07
• Immediately — 2006-09-13
• Stat — 2004-02-15
• "Now!" — 2004-02-13
• On the double — 2003-04-09
• "Right away!" — 2002-05-14
• P.D.Q. — 2001-11-14
• "Now!" — 2000-09-06
• On the double — 1997-08-21